Pressure sensor convenient to install

The utility model discloses a pressure sensor convenient to install, which comprises an external thread connecting pipe communicated and fixed at the top of an oil pipe, a pressure sensing mechanism is sleeved on the external thread connecting pipe in a threaded manner, and the pressure sensing mechanism comprises a pressure sensor main body. According to the utility model, through the arrangement of the pressure sensing mechanism, the external thread connecting pipe, the elastic guide assembly, the extrusion supporting assembly, the conical sleeve and the conical plugging block, the pressure sensor can be quickly and conveniently disassembled and assembled through a simple rotation mode, plugging can be automatically released during installation and automatically plugged during disassembly, and a worker does not need to independently operate plugging, so that the working efficiency is greatly improved. The pressure sensor is simple in structure, convenient to operate and high in opening and closing automatio